Angela enjoys swimming and often swims at a steady pace to burn calories. at this pace, angela can swim 1,700 meters in 40 minutes.
a. what is angela’s unit rate?
b. what is the rate unit?

a.

Step-by-step explanation:

a. We could find Angela's in metter per second then we have to convert 40 minutes to seconds then:

We know that see swim 1700 meters in 2400\,s then we just need to divide the distance by the time to find the unit rate:

b. A  unit rate is used to compare different kinds of quantities, unit rate is useful to describe how many units of the first type of quantity correspond to one unit of the seconds time, examples of common unit rates are kilometers per hour, meters per hour, cost per item.

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation: